| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] [Wh det] be [verb] | 734 |
|
| 2 | [Wh det] be [verb] at | 640 |
|
| 3 | [to-vb] be [verb] at | 104 |
|
| 4 | [to-vb] [Wh det] [verb] at | 11 |
|
| 5 | [to-vb] [Wh det] be at | 5 |
|
